What is immigration?
A. When animals are bom in an ecosystem
B. When animals die in an ecosys...
Biology, 16.06.2020 10:57 braines2003
What is immigration?
A. When animals are bom in an ecosystem
B. When animals die in an ecosystem
C. When animals move into an ecosystem
D. When animals leave an ecosystem
Answers: 1
Biology, 21.06.2019 15:00
Although there are a limited number of amino acids many different types of proteins exist because..
Answers: 1
Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
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18. how do the cells in meiosis differ from the cells in mitosis?
Answers: 2
Biology, 22.06.2019 17:00
The data below simulate what happened to peppered moths in england after the industrial revolution which statement best describes the process that produced one of the emding populations of moths ?light colored moths were selected for on light colored trees
Answers: 3
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